remove nginx from dev setup

this was a leftover from when an offen instance was running on the same
domain as the website. nginx is not needed as pelican can serve the
dev content for us just fine.

docker-compose.yml

@@ -1,16 +1,9 @@
 version: '3'
 
 services:
-  proxy:
-    image: nginx:1.17-alpine
-    volumes:
-      - ./nginx.conf:/etc/nginx/nginx.conf
-    ports:
-      - 8000:80
-    depends_on:
-      - homepage
-
   homepage:
+    ports:
+      - 8000:8000
     build:
       context: '.'
       dockerfile: ./Dockerfile.python

nginx.conf

@@ -1,45 +0,0 @@
-events {}
-
-http {
-	include mime.types;
-
-	upstream homepage {
-		server homepage:8000;
-	}
-
-	map $request_uri $expires {
-		default off;
-		"~-[0-9a-z]{10}\.js$" 1d;
-		"~*(woff|woff2|ttf|eot)$" 1d;
-	}
-
-	map $sent_http_content_type $csp {
-		default "";
-		"~^text/html" "default-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'";
-	}
-
-	server {
-		listen 80;
-		expires $expires;
-		add_header Content-Security-Policy $csp;
-		add_header Strict-Transport-Security 'max-age=604800; includeSubDomains';
-		add_header Referrer-Policy 'origin-when-cross-origin';
-		add_header X-Content-Type-Options 'nosniff';
-		add_header X-XSS-Protection '1; mode=block';
-
-		location / {
-			proxy_pass http://homepage;
-			proxy_redirect off;
-		}
-
-		error_page 404 /custom_404.html;
-		# in development, this handles empty responses by the pelican dev server which are 404s in the end
-		error_page 502 /custom_404.html;
-		location = /custom_404.html {
-			internal;
-			proxy_pass http://homepage/404.html;
-			proxy_redirect off;
-			add_header X-Robots-Tag "noindex, nofollow, nosnippet, noarchive" always;
-		}
-	}
-}